Engine Valves & Valve Springs Specifications
WARNING: This page is about a different car, the 2001 Mazda Millenia and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
VALVES & VALVE SPRINGS
| Application | Specification | ||
|---|---|---|---|
| Intake Valves | |||
| Face Angle | 45 Degrees | ||
| Head Diameter | 1.253-1.265" (31.85-32.15 mm) | ||
| Minimum Margin | .035" (.89 mm) | ||
| Valve Length | |||
| Standard | 3.748" (95.20 mm) | ||
| Minimum | 3.707" (94.16 mm) | ||
| Stem Diameter | |||
| Standard | .2350-.2356" (5.970-5.984 mm) | ||
| Minimum | .2331" (5.921 mm) | ||
| Exhaust Valves | |||
| Face Angle | 45 Degrees | ||
| Head Diameter | 1.080-1.092" (27.45-27.75 mm) | ||
| Minimum Margin | .039" (1.00 mm) | ||
| Valve Length | |||
| Standard | 3.748" (95.20 mm) | ||
| Minimum | 3.707" (94.16 mm) | ||
| Stem Diameter | |||
| Standard | .2348-.2354" (5.964-5.979 mm) | ||
| Minimum | .2329" (5.916 mm) | ||
| Valve Springs | |||
| Free Length | 1.847" (46.91 mm) | ||
| Out-Of-Square | .064" (1.60 mm) | ||
| Lbs. @ In. (kg @ mm) | |||
| Pressure | |||
| Intake & Exhaust Valve | 40-45 @ 1.524 (18-20 @ 38.70) | ||